Description:
An externally threaded fastener with a head that has slightly rounded sides, a flat top and a flat underside. To be used with internally threaded nylon fasteners in applications that require corrosion resistance or electrical insulation. Nylon's other advantages include: resistance to greases a...

Description:
A six sided internally threaded fastener which has chamfered corners on one side only, and a washer face on the opposite side. Nylon's advantages include: resistance to greases and oils; a low coefficient of friction; ability to maintain its strength when exposed to heat.